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IBM OS/390 manual 1 of 2. POWER/JES2 Output Service Comparison

Models: OS/390

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10.3.4 Output Service

As with POWER, JES2 supports line-mode printers, whereas PSF controls AFP Printers. (See Chapter 11, ªAdvanced Function Printing and Print Services Facility/MVSº on page 235 for AFP printing.)

Table 13 (Page 1 of 2). POWER/JES2 Output Service Comparison

Output Service

POWER

JES2

JES2 Comments

Function

 

 

 

 

 

 

 

Local Line Printer

Y

Y

See 10.3.4.1, ªPrinters

(3211, 4245, 4248)

 

 

Supportedº on

 

 

 

page 216

 

 

 

 

Page Mode Printer

Y

Y

via PSF/MVS

(3900, 3820, etc.)

 

 

 

 

 

 

 

Local Diskette

Y

N

(no longer supported

 

 

 

in OS/390)

 

 

 

 

Remote BSC & SNA

Y

Y

 

Printers & Punches

 

 

 

 

 

 

 

Tape Spooling

Y

N

See 10.1.1.3, ªTape

 

 

 

Spoolingº on

 

 

 

page 208

 

 

 

 

Interactive User

Y ICCF

Y

TSO/E Output or SDSF

 

 

 

 

Other NJE Node

Y

Y

 

 

 

 

 

Output Classes

A - Z, 0 - 9

A - Z, 0 - 9

 

 

 

 

 

Output Priority Ranges

0 - 9

0 - 15

 

 

 

 

 

Output Disposition

Y

Y

See 10.3.4.7, ªOutput

(D/H/K/L)

 

 

Dispositionº on

 

 

 

page 217

 

 

 

 

Segmentation via

Y (RBS

Y

// DD SEGMENT=

JCL/JECL

Parm.)

 

(line mode only)

 

 

 

 

Segmentation via

Y (SEGMENT

Y

FREE=CLOSE or

Program Control

macro or

 

SPIN=UNALLOC

 

LFCB

 

dynalloc parm or

 

dynalloc)

 

SETPRT

 

 

 

 

Output Separation

Y

Y

See 10.1.1.5,

between Jobs

 

 

ªSeparatorPage

 

 

 

Differenceº on

 

 

 

page 208

 

 

 

 

User Info on Sep. Page

Y

Y

Use Exit 1 and/or 15

 

 

 

or JESNEWS

 

 

 

 

Forms Number

Y (1-4 chars)

Y (1-8 chars)

 

 

 

 

 

Forms Control Buffer

Y (1-8 chars)

Y (1-4 chars)

See 10.3.4.8, ªFCB

(FCB)

 

 

Naming Differencesº

 

 

 

on page 217

 

 

 

 

Universal Character

Y (1-8 chars)

Y (1-4 chars)

See 10.3.4.9, ªUCS

Set (UCS)

 

 

Naming Conventionsº

 

 

 

on page 218

 

 

 

 

Multiple Destinations

N

Y

 

(RJE, NJE) via JCL

 

 

 

 

 

 

 

Printer Forms

Y (PSETUP

Y

See 10.1.1.4, ªPrinter

Alignment

cmd)

 

Forms Alignment via

 

 

 

PSETUPº on page 208

 

 

 

 

Chapter 10. POWER and JES2 215

Page 238 Page 240
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IBM OS/390 manual 1 of 2. POWER/JES2 Output Service Comparison
Page 238 Page 240

OS/390 specifications

IBM OS/390, a versatile operating system, was a cornerstone in enterprise environments and played a pivotal role in mainframe computing. Released in the mid-1990s, OS/390 combined the strengths of IBM's MVS (Multiple Virtual Storage) with new features and enhancements, targeting scalability, reliability, and performance in demanding business applications.

One of the key features of OS/390 was its robust support for multiple users and processes. The system allowed thousands of concurrent users to access applications and data, ensuring high availability and minimizing downtime—a critical requirement for many large organizations. This scalability was supported through various enhancements in memory management and processor scheduling, enabling optimal resource allocation across diverse workloads.

OS/390 was known for its superior workload management capabilities. The Workload Manager (WLM) component allowed administrators to define service policies, specifying how system resources would be allocated according to the priority of tasks. This ensured that critical business processes received the necessary resources while less critical tasks were managed more flexibly.

Another significant characteristic of OS/390 was its commitment to security. The operating system provided comprehensive security features, including user authentication, data encryption, and auditing capabilities. This focus on security was vital for organizations handling sensitive data, ensuring compliance with regulations and safeguarding against unauthorized access.

OS/390 also supported advanced technologies that facilitated integration and development. The system included features like the IBM CICS (Customer Information Control System) for transaction processing and IMS (Information Management System) for database management. These technologies allowed organizations to build robust, high-performance applications tailored to specific business needs.

The ease of network integration was another strength of OS/390. With the advent of the Internet and global connectivity, OS/390 systems could easily interface with various network protocols, enabling businesses to operate in a connected world. This inclusion paved the way for many organizations to expand their capabilities and offer new services, driving digital transformation.

In conclusion, IBM OS/390 represented a significant advancement in mainframe technology, combining scalability, security, and robust workload management. Its rich feature set and support for critical enterprise applications solidified its role as a vital component of many organizations' IT infrastructures, ensuring they could meet their operational challenges head-on while supporting future growth. As technology continues to evolve, the legacy of OS/390 remains influential in the realm of computing.